Submission #22,255

2026-01-14 18:51:59

cpp17

Accepted 50/50

12ms

508 KiB

#include <cstdio>

int main() {
    long long n, k, s = 0;
    scanf("%lld %lld", &n, &k);
    for (long long i = 0; i < n; i++) {
        int x;
        scanf("%d", &x);
        s += x;
    }
    if (s < k) printf("0");
    else printf("%lld", (s - k + 1) * (s - k + 2) / 2);
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	0/0	10ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	316 KiB
		7	Accepted	3/3	1ms	316 KiB
		8	Accepted	3/3	1ms	316 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	2/2	1ms	316 KiB
		11	Accepted	3/3	1ms	316 KiB
		12	Accepted	2/2	1ms	316 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	2/2	9ms	380 KiB
		15	Accepted	2/2	10ms	508 KiB
		16	Accepted	3/3	10ms	316 KiB
		17	Accepted	3/3	10ms	380 KiB
		18	Accepted	3/3	12ms	508 KiB
		19	Accepted	3/3	10ms	380 KiB
		20	Accepted	3/3	12ms	380 KiB
		21	Accepted	3/3	12ms	380 KiB
		22	Accepted	3/3	10ms	380 KiB